/Engine/Source/Runtime/Engine/Public/LightSceneProxy.h
virtual FSphere GetShadowSplitBounds ( const [FSceneView](API\Runtime\Engine\FSceneView) & View, int32 InCascadeIndex, bool bPrecomputedLightingIsValid, [FShadowCascadeSettings](API\Runtime\Engine\FShadowCascadeSettings) * OutCascadeSettings ) const